Home / 639,489.31-882,497.36-353,008.71

Finding the Fourth Proportional to 639,489.31, 882,497.36 and 353,008.71

Calculator

Solution

The fourth proportional to 639,489.31, 882,497.36 and 353,008.71 is: 487,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,489.31 : 882,497.36 = 353,008.71 : x
  2. Step 2: Convert to fraction form
    639,489.31/882,497.36 = 353,008.71/x
  3. Step 3: Cross multiply
    639,489.31x = 882,497.36 × 353,008.71
  4. Step 4: Simplify right side
    639,489.31x = 311,529,254,632.01
  5. Step 5: Solve for x
    x = 311,529,254,632.01/639,489.31
  6. Step 6: Final answer
    x = 487,153.19

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.